Filling valve



FIG. 1 is a perspective view of a filling valve according to my newdesign;

FIG. 2 is another perspective view thereof;

FIG. 3 is another perspective view thereof;

FIG. 4 is another perspective view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof; and,

FIG. 9 is a bottom view thereof.

CLAIM The ornamental design for a filling valve, as shown and described.